Basic sentences will include a sequencing word/phrase (the circumstance), move on to defining the participant(s), then give the process or action word and conclude with place(s) or circumstance(s).


Notice that the language is taken from the field of engineering language, the tenor is formal and the mode is very written:
The pipettewasthenplacedcarefullyat the outlet.
SFL descriptionParticipant Who/What?Process (What’s happening)Time sequencerProcess/Action What’s happening?Circumstance How?Circumstance/Place Where?
TG descriptionArticle plus noun SubjectAuxiliary verbSignpostVerb Finite, passive verbAdverb
More information about the verb
Preposition, article plus noun Adverbial phrase


Notice how useful the layers of description above are: each one prompts careful thinking about the language choices you are making so that your writing is effective in context.
Notice that there are two layers of description given here (and throughout the MOG TREE system). In each case, you will be offered the Systemic Functional Linguistics (SFL) descriptors first and then the traditional grammar (TG) descriptors. You can choose the most useful or familiar type of description to suit your purposes.